You are on the phone with a co-worker, and while you are on the phone with that coworker, you also open a chat with that same co-worker.

Conversely, you are chatting with a co-worker, and decide to have a phone call, but you still use the chat channel with that co-worker while on the phone with him or her.

If these sound familiar to you, I'd like to hear from you! (And if they don't match how you work, I'd be interested to hear that, too!)

I'm especially curious to know what you are doing in the chat window that you can't do via the phone. Transfer files? Screen captures? Type something that your phone partner is having trouble understanding? Send links? Type something that you don't want to say out loud? :-)